Astronomers have come by the first ever evidence of an ageing star devouring its own planet especially after it expanded into a "red giant", the equivalent of old age. "A similar fate may await the inner planets in our solar system, when the Sun becomes a red giant and expands all the way out to Earth's orbit some five billion years from now," said Alex Wolszczan, professor of astronomy and astrophysics at Penn State University and study co-author.
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